Lexus LS III facelift (2003-2006) driver door ecu (inside front of left front door) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SGND 1 2 4 CSNF CSNR 28 9 20 21 29 MSWE BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE CLIMATE CONTROL SEAT ECU (DRIVER`S SEAT) (UNDER IDL CSNF SSRR SSFV SSRC PVCC CSNR SSRS SSRV SSRH IDL SYSB IG D P/SEAT FUSE DOWN DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SEAT ECU (BELOW LEFT SIDE OF DRIVER'S SEAT) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER'S SEAT CUSHION POWER SEAT MOTOR (LOWER LEFT SIDE OF DRIVER'S SEAT) DRIVER'S SEAT FRONT VERTICAL POWER SEAT MOTOR (LOWER LEFT SIDE OF DRIVER'S SEAT) DRIVER'S SEAT LIFTER POWER SEAT MOTOR (LOWER RIGHT SIDE OF DRIVER'S SEAT BOTTOM) DRIVER'S SEAT RECLINING POSITION SENSOR (IN LOWER LEFT SIDE OF DRIVER'S SEAT) DRIVING POSITION MEMORY SWITCH FUSE GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 10 (BEHIND UPPER CENTER OF DASH) J/C 21 (FORWARD OF LEFT REAR FENDER- WELL) J/C 22 (REARWARD OF LEFT REAR FENDER- WELL) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MMRY MPX-IG FUSE O/P ORG/ WIRE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK COMPUTER DATA LINES SYSTEM WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER SEAT CONTROL SWITCH (DRIVER'S SEAT CUSHION) POWER SEAT CONTROL SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) REAR SEAT) REAR SEAT) RED WIRE RED/BLK WIRE RED/BLU WIRE VCC VIO WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

BDR BLK WIRE BLK/RED WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CPUB D DOOR FUSE DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE HOT AT ALL TIMES HOT IN ON OR START HTR IR (UNDER RIGHT FRONT SEAT) BL (AT LEFT REAR FLOOR PARTITION PANEL) J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) LEFT REMOTE CONTROL MIRROR MIRROR HEATER MPX-IG FUSE P DOOR FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK/BLU WIRE RED WIRE RED/BLU WIRE RIGHT REMOTE CONTROL MIRROR MIRROR HEATER SIG VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

11 25 CANH CANL 2 3 CANL CANH 24 25 CANL CANH 3 13 10 2 PNK MPX MPX- BUBS MPX+ WIRE 8 7 CANL CANH 9 10 CANL CANH 9 8 CANL CANH AFS ECU (RIGHT SIDE OF DASH) AIR SUSPENSION ECU (IF EQUIPPED) (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE BO (AT RIGHT REAR QUARTER- PANEL) BRN WIRE CLEARANCE SONAR ECU (W/ NAVIGATION) (ON LEFT SIDE OF LUGGAGE COMPARTMENT) COMBINATION SWITCH DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) 14 6 7 CANL CANH SIL DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SEAT ECU (BELOW LEFT SIDE OF DRIVER'S SEAT) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) GRN WIRE IH (AT RIGHT SIDE OF SHIFT LEVER) II (AT RIGHT SIDE OF SHIFT LEVER) J/C 29 (REARWARD OF RIGHT REAR FENDERWELL) J/C 31 (W/ REAR POWER SEAT) (BEHIND LEFT REAR SEAT BACK) J/C 36, 37, 38, 39 40, 41, 42, 43 (CENTER OF DASH) J/C 44, 45, 46, 47, 48 (RIGHT SIDE OF DASH) J/C 49, 50, 51 (W/ NAVIGATION SYSTEM) (RIGHT REAR OF VEHICLE) LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR SEAT ECU (BEHIND LEFT SIDE OF REAR SEAT BACK) LT GRN WIRE LUGGAGE ROOM J/B ECU (ON LEFT SIDE OF LUGGAGE COMPARTMENT) MPX PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK M+ WIRE PNK WIRE PNK/BLU WIRE POWER SEAT CONTROL SWITCH (REAR SEAT) (LEFT SIDE OF REAR SEAT) POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) RED WIRE RED/BLU WIRE STEERING LOCK ECU (W/ SMART KEY SYSTEM) (LEFT SIDE OF DASH) STEERING SENSOR (INSIDE TOP OF STEERING COLUMN) TELEVISION CAMERA ECU (RIGHT REAR OF LUGGAGE COMPT) THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) TRANSPONDER KEY COMPUTER (W/O SMART KEY SYSTEM) (BEHIND UPPER CENTER OF DASH) VIO WIRE VIO/GRN WIRE W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YAW RATE SENSOR (BELOW REAR OF CENTER CONSOLE) YEL WIRE

5 25 LED- ASH+ 6 17 1 26 BDR 6 26 1 17 BDR ANTI-THEFT SYSTEM ASH- BDR BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLU WIRE BN (AT RIGHT REAR FLOOR PARTITION PANEL) CLEARANCE SONAR SWITCH (OUTER MIRROR SWITCH) (W/ PARKING ASSIST) COIN BOX ILLUMI- NATION COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU (AT LEFT KICK PANEL) DRIVING POSITION MEMORY SWITCH FRONT PASSENGER DOOR ECU FUSE GRN WIRE GRN/ORG WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 22 (REARWARD OF LEFT REAR FENDERWELL) J/C 27 JC-21 LED LEFT FRONT INSIDE HANDLE ILLUMINATION LEFT REAR ASHTRAY ILLUMINATION LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR INSIDE HANDLE ILLUMINATION LEFT REAR SEAT MEMORY SWITCH LP SEID LT BLU WIRE MPX-IG FUSE P DOOR FUSE PANEL FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B (AT RIGHT KICK PANEL) D DOOR FUSE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH (OUTER MIRROR SWITCH) RHEOSTAT (LEFT SIDE OF DASH) RIGHT FRONT INSIDE HANDLE ILLUMINATION RIGHT REAR ASHTRAY ILLUMINATION RIGHT REAR DOOR ECU (INSIDE RIGHT REAR DOOR) RIGHT REAR INSIDE HANDLE ILLUMINATION RR DOOR LH FUSE RR DOOR RH FUSE TC RV TR+ VIO WIRE VIO/GRN WIRE W/ REAR POWER SEAT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

2 1 3 PNK WIRE 29 21 20 9 28 8 19 30 MM PNK WIRE 5 14 13 VC 5 14 6 VC VC 5 4 6 17 1 SIG CPUB BDR 6 4 5 26 1 BDR CPUB SIG 7 8 9 10 11 19 R/E RET RTR MSW M+ MIND 8 19 27 ML MUL DLE BL (AT LEFT REAR FLOOR J/C 21 PARTITION PANEL) (FORWARD OF LEFT REAR FENDERWELL) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/RED WIRE BRN/WHT WIRE COM COM M+R COMPUTER DATA LINES SYSTEM D DOOR FUSE DATA DOOR LOCK CONTROL RECEIVER (INNER MIRROR) (RIGHT REAR OF LUGGAGE COMPARTMENT) DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU DRIVING POSITION MEMORY SWITCH ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT, IN PROTECTIVE CASE) ENGINE CONTROLS SYSTEM FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE H- HTR- HOT AT ALL TIMES HOT IN ON OR START HSR HSSR HSSR HTR IG (AT LEFT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 12, 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) L+ LP LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT REMOTE CONTROL MIRROR LEFT/RIGHT MOTOR LT BLU WIRE LT GRN WIRE MF MR MH MHR MHR ML MUL MMRY MPX-B MPX-IG FUSE MPX-IG GND MR MR+ MR- MSWE ML MUL PWE MV MVR MVR OUTER FOOT LIGHT OUTER MIRROR SWITCH P DOOR FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RCO RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RETRACTABLE MOTOR RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT REMOTE CONTROL MIRROR RSSI SENSOR SENSOR HSR THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) UP/DOWN MOTOR VIO WIRE VIO/GRN WIRE VIO/YEL WIRE VSR VSR VSSR VSSR WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 ECUB 28 9 20 21 29 MSWE B+ PNK WIRE BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVING POSITION MEMORY SWITCH FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) IH (AT RIGHT SIDE OF SHIFT LEVER) J/C 13 (BEHIND UPPER CENTER OF DASH) J/C 14, 15 (BEHIND UPPER CENTER OF DASH) J/C 9 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/BLK WIRE MMRY MPX-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER TILT, POWER TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) PUSH RED WIRE RED/BLK WIRE RED/BLU WIRE SHIELD STEERING LOCK ECU (W/ SMART KEY SYSTEM) (LEFT SIDE OF DASH) TELESCOPIC MOTOR, POSITION SENSOR (INSIDE BASE OF STEERING COLUMN) TI, TE FUSE TILT MOTOR, POSITION SENSOR (INSIDE BASE OF STEERING COLUMN) TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) UNLOCK WARNING SWITCH (W/ SMART KEY SYSTEM) UNLOCK WARNING SWITCH (W/O SMART KEY SYSTEM) VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE

1 2 4 5 6 7 9 10 14 15 16 20 21 23 24 A- A+ 1 2 7 9 10 20 A- A+ LSW KUL KL CPSE 4 5 6 17 23 25 26 CPUB SIG BDR 8 18 6 10 ML MUL PW 8 19 22 30 ML MUL PWS PWE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE CAM POS CAM POS CLOSER MOTOR COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM CPSE KEYE POLE HALF CTY DOOR LOCK MOTOR DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) FULL FULL LATCH SW GRN WIRE HALF LATCH SW PAWL SW J/C 21 BL (AT LEFT REAR FLOOR PARTITION PANEL) LEFT FRONT DOOR LOCK ACTUATOR ASSEMBLY LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (W/ DOOR CLOSER) LOCK POS SW CAM POS LSW KUL KL LT BLU WIRE ORG/ WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE POWER WINDOW MASTER SWITCH W/L RED WIRE RED/BLK WIRE RED/BLU WIRE UN LK LK VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WLSW YEL WIRE YEL/BLK WIRE

14 3 26 DSDN DSUP DSE 14 3 26 PSDN PSUP PSE 3 2 1 UL UP DW 4 6 26 1 CPUB BDR BANC BES BL (AT LEFT REAR FLOOR PARTITION PANEL) BLK WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM D B/ANC FUSE DBM+ DOWN DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) DRIVER SIDE J/B ECU FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) IR (UNDER RIGHT FRONT SEAT) J/C 21 (FORWARD OF LEFT REAR FENDERWELL) LEFT FRONT SHOULDER BELT ADJUST SWITCH LT BLU WIRE MPX MPX-IG FUSE P B/ANC FUSE P DOOR FUSE FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PASSENGER SIDE J/B ECU PBM+ PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT SHOULDER BELT ADJUST SWITCH SHOULDER BELT ANCHOR MOTOR (RIGHT) (NEAR CENTER OF RIGHT "B" PILLAR) SIG VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CLS COMBINATION METER CTY CTY CTY DOOR LOCK CONTROL RECEIVER DATA RSSI DOWN UP OPN DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) GAUGE FUSE DWN UP GATEWAY ECU (BEHIND LEFT END OF DASH) GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES DOME FUSE FUSE HOT IN ON OR START IG OPN CLS II (AT RIGHT SIDE OF SHIFT LEVER) IK (AT RIGHT SIDE OF DASH) J/C 10, 12 (BEHIND UPPER CENTER OF DASH) J/C 14 (BEHIND UPPER CENTER OF DASH) J/C 16, 17 (BEHIND UPPER CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (AT LEFT "C" PILLAR) LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LT GRN WIRE LT GRN/RED WIRE LUGGAGE ROOM J/B (ON LEFT SIDE OF LUGGAGE COMPT) MOON ROOF CONTROL ECU (AT FRONT OF ROOF OPENING) MPX OF DASH) ORG/ WIRE OVERHEAD J/B (AT FRONT OF ROOF OPENING) IG P-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK PNK WIRE PNK WIRE PNK/BLU WIRE RDA RSSI RED WIRE RED/BLK WIRE RED/YEL WIRE S/ROOF FUSE STEERING LOCK ECU (LEFT SIDE THEFT DETERRENT ECU (BEHIND UPPER RIGHT CENTER OF DASH) W/ SMART KEY W/O SMART KEY WHT WIRE WHT/BLK WIRE YEL WIRE

5 3 1 SYSB PNK WIRE BLK WIRE BLU WIRE BP (AT LEFT REAR SEAT BACK) BQ (AT RIGHT REAR SEAT BACK) BRN WIRE D RR-IG FUSE DRIVER DOOR ECU (INSIDE FRONT OF LEFT FRONT DOOR) DRIVER SIDE J/B (AT LEFT KICK PANEL) FRONT PASSENGER DOOR ECU (INSIDE RIGHT FRONT DOOR) FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 10, 11 (BEHIND UPPER CENTER OF DASH) J/C 31 (BEHIND LEFT REAR SEAT BACK) LEFT REAR DOOR ECU (INSIDE LEFT REAR DOOR) LEFT REAR SEAT ECU (BEHIND LEFT SIDE OF REAR SEAT BACK) MPX LEFT VIBRATION SEAT ECU (BEHIND LEFT REAR SEAT BACK) IG STRT STOP LEFT VIBRATOR (IN LEFT REAR SEAT) P RR-IG FUSE PASSENGER SIDE J/B (AT RIGHT KICK PANEL) PNK PNK WIRE PNK WIRE PNK/ BP (AT LEFT REAR SEAT BACK) WIRE PNK/BLU WIRE RED WIRE RIGHT REAR DOOR ECU (INSIDE RIGHT REAR DOOR) RIGHT REAR SEAT ECU (BEHIND RIGHT SIDE OF REAR SEAT BACK) MPX RIGHT VIBRATION SEAT ECU (IN REAR SEAT ASSEMBLY) IG STRT STOP RIGHT VIBRATOR (IN RIGHT REAR SEAT) STRT STOP VIB+ VIB- VIBE VIBE VIB+ VIB- VIBRATION SWITCH (REAR SEAT CONTROL SWITCH) VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE